Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5MIT callsign genealogy
Currently held by RALPH, MARK J
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K5MIT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K5MIT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5MIT, oldest first.
- RALPH, MARK J MA2009-10-01 → cancelled 2021-10-02
- FRAKES JR, THOMAS A TX2021-11-09 active